LAN "A" connected to IP encryptor and connected to LAN "B" with also has an IP encryptor. i.e. we have IPsec VPN from "A" to "B" through MPLS VPN. Can I then connect LAN "A" to LAN "C" that is without IP encryptor via MPLS VPN. How do I configure the IP encryptor at LAN "A" to do that.